US Patent 7617947 Stackable storage/transport/stocking box with openable end

A reusable box has a floor having opposite side edges and opposite end edges bridging the side edges, respective side walls extending upward from the side edges, a fixed end wall extending upward from one of the end edges and fixedly bridging between the side walls, and a movable end wall extending in a closed position upward from the other of the end walls and fitting between the side walls. The movable end wall is displaceable between a position clear of the side walls and giving access to an interior of the box at the other end. Formations extend to upper edges of both of the end walls that for nesting interfit and that for stacking vertically engage each other.